* {
    margin: 0;
    padding: 0;
}

.box {
    text-align: center;
}

.btn {
    line-height: 34px;
    text-align: center;
    font-size: 14px;
    border: 1px solid blue;
    background-color: #fff;
    margin-bottom: 20px;
    padding: 0 10px;
}

.message {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 10px;
    font-size: 14px;
    color: #000;
}